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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [440,6,Mod(1,440)] mf = mfinit([N,k,chi],0) lf = mfeigenbasis(mf)
 
Copy content magma:// Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code chi := DirichletCharacter("440.1"); S:= CuspForms(chi, 6); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(440, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 0, 0, 0])) N = Newforms(chi, 6, names="a")
 
Level: \( N \) \(=\) \( 440 = 2^{3} \cdot 5 \cdot 11 \)
Weight: \( k \) \(=\) \( 6 \)
Character orbit: \([\chi]\) \(=\) 440.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [5,0,-2] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(3)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(70.5688807177\)
Analytic rank: \(1\)
Dimension: \(5\)
Coefficient field: \(\mathbb{Q}[x]/(x^{5} - \cdots)\)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{5} - 2x^{4} - 637x^{3} + 2294x^{2} + 68016x - 243936 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 2^{4} \)
Twist minimal: yes
Fricke sign: \(+1\)
Sato-Tate group: $\mathrm{SU}(2)$

$q$-expansion

Copy content comment:q-expansion
 
Copy content sage:f.q_expansion() # note that sage often uses an isomorphic number field
 
Copy content gp:mfcoefs(f, 20)
 

Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\beta_2,\beta_3,\beta_4\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - \beta_1 q^{3} + 25 q^{5} + ( - \beta_{4} + 2 \beta_1 - 51) q^{7} + (\beta_{3} + 2 \beta_{2} - 2 \beta_1 + 14) q^{9} + 121 q^{11} + (2 \beta_{4} - 3 \beta_{3} + \cdots - 105) q^{13} - 25 \beta_1 q^{15}+ \cdots + (121 \beta_{3} + 242 \beta_{2} + \cdots + 1694) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 5 q - 2 q^{3} + 125 q^{5} - 250 q^{7} + 63 q^{9} + 605 q^{11} - 500 q^{13} - 50 q^{15} - 296 q^{17} - 2930 q^{19} - 2304 q^{21} - 3078 q^{23} + 3125 q^{25} + 4024 q^{27} + 3606 q^{29} - 752 q^{31} - 242 q^{33}+ \cdots + 7623 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{5} - 2x^{4} - 637x^{3} + 2294x^{2} + 68016x - 243936 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( -\nu^{4} + 42\nu^{3} + 1129\nu^{2} - 17046\nu - 150720 ) / 2172 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( \nu^{4} - 42\nu^{3} - 43\nu^{2} + 19218\nu - 128382 ) / 1086 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 15\nu^{4} + 94\nu^{3} - 8247\nu^{2} - 27394\nu + 581844 ) / 2172 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{3} + 2\beta_{2} - 2\beta _1 + 257 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( 3\beta_{4} - 12\beta_{3} + 21\beta_{2} + 415\beta _1 - 765 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( 126\beta_{4} + 625\beta_{3} + 968\beta_{2} - 1874\beta _1 + 107303 \) Copy content Toggle raw display

Embeddings

For each embedding \(\iota_m\) of the coefficient field, the values \(\iota_m(a_n)\) are shown below.

For more information on an embedded modular form you can click on its label.

Copy content comment:embeddings in the coefficient field
 
Copy content gp:mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1.1
21.0364
12.1463
3.58009
−11.4276
−23.3352
0 −21.0364 0 25.0000 0 −86.5420 0 199.529 0
1.2 0 −12.1463 0 25.0000 0 190.908 0 −95.4669 0
1.3 0 −3.58009 0 25.0000 0 −221.025 0 −230.183 0
1.4 0 11.4276 0 25.0000 0 −43.2125 0 −112.410 0
1.5 0 23.3352 0 25.0000 0 −90.1288 0 301.531 0
\(n\): e.g. 2-40 or 80-90
Embeddings: e.g. 1-3 or 1.5
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \( +1 \)
\(5\) \( -1 \)
\(11\) \( -1 \)

Inner twists

This newform does not admit any (nontrivial) inner twists.

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 440.6.a.b 5
4.b odd 2 1 880.6.a.s 5
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
440.6.a.b 5 1.a even 1 1 trivial
880.6.a.s 5 4.b odd 2 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{5} + 2T_{3}^{4} - 637T_{3}^{3} - 2294T_{3}^{2} + 68016T_{3} + 243936 \) acting on \(S_{6}^{\mathrm{new}}(\Gamma_0(440))\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{5} \) Copy content Toggle raw display
$3$ \( T^{5} + 2 T^{4} + \cdots + 243936 \) Copy content Toggle raw display
$5$ \( (T - 25)^{5} \) Copy content Toggle raw display
$7$ \( T^{5} + \cdots - 14222172672 \) Copy content Toggle raw display
$11$ \( (T - 121)^{5} \) Copy content Toggle raw display
$13$ \( T^{5} + \cdots + 10655605118976 \) Copy content Toggle raw display
$17$ \( T^{5} + \cdots + 29\!\cdots\!36 \) Copy content Toggle raw display
$19$ \( T^{5} + \cdots + 14253622702272 \) Copy content Toggle raw display
$23$ \( T^{5} + \cdots - 38\!\cdots\!56 \) Copy content Toggle raw display
$29$ \( T^{5} + \cdots - 73\!\cdots\!36 \) Copy content Toggle raw display
$31$ \( T^{5} + \cdots - 95\!\cdots\!28 \) Copy content Toggle raw display
$37$ \( T^{5} + \cdots - 20\!\cdots\!44 \) Copy content Toggle raw display
$41$ \( T^{5} + \cdots + 51\!\cdots\!44 \) Copy content Toggle raw display
$43$ \( T^{5} + \cdots + 24\!\cdots\!68 \) Copy content Toggle raw display
$47$ \( T^{5} + \cdots + 58\!\cdots\!60 \) Copy content Toggle raw display
$53$ \( T^{5} + \cdots - 70\!\cdots\!60 \) Copy content Toggle raw display
$59$ \( T^{5} + \cdots - 22\!\cdots\!28 \) Copy content Toggle raw display
$61$ \( T^{5} + \cdots - 96\!\cdots\!00 \) Copy content Toggle raw display
$67$ \( T^{5} + \cdots + 14\!\cdots\!64 \) Copy content Toggle raw display
$71$ \( T^{5} + \cdots - 57\!\cdots\!28 \) Copy content Toggle raw display
$73$ \( T^{5} + \cdots - 69\!\cdots\!92 \) Copy content Toggle raw display
$79$ \( T^{5} + \cdots + 11\!\cdots\!44 \) Copy content Toggle raw display
$83$ \( T^{5} + \cdots + 22\!\cdots\!56 \) Copy content Toggle raw display
$89$ \( T^{5} + \cdots - 13\!\cdots\!84 \) Copy content Toggle raw display
$97$ \( T^{5} + \cdots + 14\!\cdots\!28 \) Copy content Toggle raw display
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